Behavioural science (or Behavioral science) is a term that encompasses all the disciplines that explore the activities of and interactions among organisms in the natural world. It involves the systematic analysis and investigation of human and animal behaviour through controlled and naturalistic experimental observations and rigorous formulations. (E. D. Klemke, R. Hollinger, and A. D. Kline, (ed) (1980))

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Difference between behavioural sciences and social sciences

The term behavioural sciences is often confused with the term social sciences. Though these two broad areas are interrelated and study systematic processes of behaviour, they differ on their level of scientific analysis of various dimensions of behaviour. Behavioural sciences essentially investigates the decision processes and communication strategies within and between organisms in a social system. This involves fields like psychology and social neuroscience, among others.

Behavioural sciences as integrative sciences

Neural-Decision sciences form the bridge between the behavioural sciences and Cognitive and natural sciences through creating theories that account for the interaction of bio-physical systems and cognitive processes in decision making of the organism. Social-Communication sciences form the link between behavioural sciences and social sciences through the interaction of individual cognitive and communication strategies and social-structural processes.